JP4299622B2 - 液晶表示装置及び該液晶表示装置に用いられる駆動方法 - Google Patents

液晶表示装置及び該液晶表示装置に用いられる駆動方法 Download PDF

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Publication number
JP4299622B2
JP4299622B2 JP2003332283A JP2003332283A JP4299622B2 JP 4299622 B2 JP4299622 B2 JP 4299622B2 JP 2003332283 A JP2003332283 A JP 2003332283A JP 2003332283 A JP2003332283 A JP 2003332283A JP 4299622 B2 JP4299622 B2 JP 4299622B2
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JP
Japan
Prior art keywords
liquid crystal
light source
image
frame
block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP2003332283A
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English (en)
Japanese (ja)
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JP2005099367A (ja
Inventor
信明 本保
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianma Japan Ltd
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NEC LCD Technologies Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC LCD Technologies Ltd filed Critical NEC LCD Technologies Ltd
Priority to JP2003332283A priority Critical patent/JP4299622B2/ja
Priority to TW093128577A priority patent/TWI285359B/zh
Priority to US10/944,969 priority patent/US7298358B2/en
Priority to CN2004100822619A priority patent/CN1637508B/zh
Priority to KR1020040075838A priority patent/KR100662161B1/ko
Publication of JP2005099367A publication Critical patent/JP2005099367A/ja
Application granted granted Critical
Publication of JP4299622B2 publication Critical patent/JP4299622B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G09G3/342—Control of illumination source using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0237—Switching ON and OFF the backlight within one frame
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0285—Improving the quality of display appearance using tables for spatial correction of display data
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0613—The adjustment depending on the type of the information to be displayed
    • G09G2320/062—Adjustment of illumination source parameters
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0633—Adjustment of display parameters for control of overall brightness by amplitude modulation of the brightness of the illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/10—Special adaptations of display systems for operation with variable images
    • G09G2320/103—Detection of image changes, e.g. determination of an index representative of the image change
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/16—Determination of a pixel data signal depending on the signal applied in the previous frame

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2003332283A 2003-09-24 2003-09-24 液晶表示装置及び該液晶表示装置に用いられる駆動方法 Expired - Lifetime JP4299622B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2003332283A JP4299622B2 (ja) 2003-09-24 2003-09-24 液晶表示装置及び該液晶表示装置に用いられる駆動方法
TW093128577A TWI285359B (en) 2003-09-24 2004-09-21 Liquid crystal display and driving method used for same
US10/944,969 US7298358B2 (en) 2003-09-24 2004-09-21 Liquid crystal display and driving method used for same
CN2004100822619A CN1637508B (zh) 2003-09-24 2004-09-22 液晶显示装置及在该液晶显示装置中使用的驱动方法
KR1020040075838A KR100662161B1 (ko) 2003-09-24 2004-09-22 액정 표시 장치 및 해당 액정 표시 장치에 이용되는 구동방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003332283A JP4299622B2 (ja) 2003-09-24 2003-09-24 液晶表示装置及び該液晶表示装置に用いられる駆動方法

Publications (2)

Publication Number Publication Date
JP2005099367A JP2005099367A (ja) 2005-04-14
JP4299622B2 true JP4299622B2 (ja) 2009-07-22

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JP2003332283A Expired - Lifetime JP4299622B2 (ja) 2003-09-24 2003-09-24 液晶表示装置及び該液晶表示装置に用いられる駆動方法

Country Status (5)

Country Link
US (1) US7298358B2 (zh)
JP (1) JP4299622B2 (zh)
KR (1) KR100662161B1 (zh)
CN (1) CN1637508B (zh)
TW (1) TWI285359B (zh)

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Also Published As

Publication number Publication date
TWI285359B (en) 2007-08-11
US7298358B2 (en) 2007-11-20
TW200530993A (en) 2005-09-16
US20050062681A1 (en) 2005-03-24
JP2005099367A (ja) 2005-04-14
CN1637508A (zh) 2005-07-13
CN1637508B (zh) 2010-05-05
KR100662161B1 (ko) 2006-12-27
KR20050030123A (ko) 2005-03-29

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